1
COMEDK 2024 Morning Shift
MCQ (Single Correct Answer)
+1
-0

Which of the following graph shows the variation of velocity with mass for the constant momentum?

COMEDK 2024 Morning Shift Physics - Center of Mass and Collision Question 1 English

A
Fig 3
B
Fig 1
C
Fig 2
D
Fig 4
2
COMEDK 2024 Morning Shift
MCQ (Single Correct Answer)
+1
-0

For a $$30^{\circ}$$ prism when a ray of light is incident at an angle $$60^{\circ}$$ on one of its faces, the emergent ray passes normal to the other surface. Then the refractive index of the prism is:

A
$$\sqrt{3}$$
B
$$\frac{\sqrt{3}}{2}$$
C
1.5
D
1.33
3
COMEDK 2024 Morning Shift
MCQ (Single Correct Answer)
+1
-0

A coil offers a resistance of $$20 \mathrm{~ohm}$$ for a direct current. If we send an alternating current through the same coil, the resistance offered by the coil to the alternating current will be :

A
$$0 \Omega$$
B
Greater than $$20 \Omega$$
C
Less than $$20 \Omega$$
D
$$20 \Omega$$
4
COMEDK 2024 Morning Shift
MCQ (Single Correct Answer)
+1
-0

A square shaped aluminium coin weighs $$0.75 \mathrm{~g}$$ and its diagonal measures $$14 \mathrm{~mm}$$. It has equal amounts of positive and negative charges. Suppose those equal charges were concentrated in two charges $$(+Q$$ and $$-Q)$$ that are separated by a distance equal to the side of the coin, the dipole moment of the dipole is

A
$$34.8 \mathrm{~Cm}$$
B
$$3.48 \mathrm{~Cm}$$
C
$$3480 \mathrm{~Cm}$$
D
$$348 \mathrm{~Cm}$$
EXAM MAP
Medical
NEETAIIMS
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
Civil Services
UPSC Civil Service
Defence
NDA
Staff Selection Commission
SSC CGL Tier I
CBSE
Class 12